Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing a first embodiment of the new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The outer broken line rectangle showing of the display screen or portion thereof and the other broken lines showing portions of the graphical user form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 